56326503613 has 2 divisors, whose sum is σ = 56326503614. Its totient is φ = 56326503612.

The previous prime is 56326503511. The next prime is 56326503647. The reversal of 56326503613 is 31630562365.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42847758009 + 13478745604 = 206997^2 + 116098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56326503613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56326503113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28163251806 + 28163251807.

It is an arithmetic number, because the mean of its divisors is an integer number (28163251807).

Almost surely, 2^56326503613 is an apocalyptic number.

It is an amenable number.

56326503613 is a deficient number, since it is larger than the sum of its proper divisors (1).

56326503613 is an equidigital number, since it uses as much as digits as its factorization.

56326503613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 40.

The spelling of 56326503613 in words is "fifty-six billion, three hundred twenty-six million, five hundred three thousand, six hundred thirteen".